Product Overview

This micro differential pressure/air pressure transmitter selects high-quality components from a German company, adopts standardized circuit and assembly processes as well as unique sensor stress isolation technology, and after temperature compensation and high-stability amplification processing, converts the differential pressure signal of the measured medium into 4~20mA DC or 1~5V DC standard signals. High-quality sensors, standardized circuit design, exquisite packaging technology, and完善的 assembly processes ensure the excellent quality and optimum performance of this product. This series of products is specially designed for industrial and civilian OEM customers, establishing a new standard for performance-to-price ratio.

Product Features

◇ High cost performance

◇ 0～0．5kpa to 0—700kpa

◇ Zero point and span linkage adjustable

◇ Reverse polarity protection and current limiting protection

◇ Lightning protection and radio frequency interference protection

◇ Compact structure, attractive appearance, convenient installation

◇ Standardized design and production ensure stable product quality and performance

◇ Can be designed or improved according to the customer's specific application requirements 

Product Performance

Measurement range Differential pressure/air pressure: 0~500Pa…700KPa

Negative     pressure: 0~-500Pa…-1KPa…-5KPa…-10KPa….-50KPa…-100KPa

Allowable overpressure 2 times full-scale pressure

Measured medium    Non-corrosive, dust-free, dry gas

Comprehensive accuracy 

Linearity, repeatability, hysteresis ±0.1%FS ±0.25%FS ±0.4%FS

Medium temperature -20℃~85℃

Compensated temperature -10℃~55℃

Ambient temperature -10℃~80℃

Zero temperature drift Typical: 0.02%FS/℃ Maximum: 0.05%FS/℃

Sensitivity temperature drift Typical: 0.02%FS/℃ Maximum: 0.05%FS/℃

Long-term stability Typical: ±0.1%FS/year Maximum: ±0.2%FS/year

Power supply range 12~36VDC（typically 24VDC）

Signal output 4~20mA / 1~5V DC / 0~5V DC / 0.5~4.5V DC

Load resistance ≤(U-12)/0.02 Ω

Housing material Hard aluminum alloy surface spray coating or 304 stainless steel

Protection rating IP65 or IP67

Process connection Φ8 nozzle with M10x1 mounting screw (threaded connection available for special requirements)

Explosion-proof marking Exia II CT5(intrinsically safe explosion-proof type)

Weight approximately 0.35Kg

Vibration error ≤±0.01%FS(X、Y、Z axes, 200Hz/g)

Response time ≤2 ms

Insulation resistance 100MΩ,500V DC

Since its establishment, Xi'an Shenghongchuang Instrument Co., Ltd. has mainly been engaged in the R&D and production of pressure, level, temperature, differential pressure, digital display, weighing, and flow instruments. Main products include Swiss metallux ceramic piezoresistive sensors and self-developed ceramic capacitive pressure sensors. Diffused silicon, ceramic piezoresistive, strain gauge, metal capacitive, ceramic capacitive pressure transmitters, remote pressure transmitters, high-temperature pressure transmitters, flush diaphragm pressure transmitters, anti-corrosion pressure transmitters, integrated/split level transmitters, anti-corrosion level transmitters, lightning-protection level transmitters, high-temperature guided-pressure level transmitters, rod-type level transmitters, flange level transmitters, air pressure transmitters, metal capacitive differential pressure transmitters, diffused silicon differential pressure transmitters, pressure controllers, thermocouples/RTDs, temperature transmitters, ultrasonic level meters

Notes 1.All supplied products are provided with a product certificate and instruction manual, including product number, technical parameters, wiring, ex-factory date, etc. Please carefully check them to avoid incorrect use.2.Wiring should be carried out strictly in accordance with our company's instructions for use.3.This product is a precision instrument. Random disassembly, collision, dropping, and probing the sensor with sharp tools are prohibited.4.The transmitter can work immediately after power-on, but the output will stabilize after preheating for 30 minutes.5.If any abnormality is found during use, the power supply should be turned off, use should be stopped, and inspection should be carried out, or contact our company's technical department directly.6.During transportation and storage, restore the original packaging and store it in a cool, dry, ventilated warehouse.7.The quality guarantee period is 12 months（damage caused by improper use such as pressure overload and incorrect wiring is not covered by the quality guarantee）.8.Special products are customized products, do not participate in 7-day no-reason return, customized products have a delivery lead time, and are non-returnable and non-exchangeable.